Nebula palette
Tranquil Outpost
From #004e4d ink through #007a78, #329593, #56a2a0 to #72bfbc light, Tranquil Outpost is a tetradic progression that holds together at any size. Use it for craft brewery cans lined up in a cooler door. The darkest and lightest stops clear AA as a text pair.
cyannebulafive-stophigh-contrast
#004e4d
#007a78
#329593
#56a2a0
#72bfbc
The generator opens with #004e4d as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.